package org.foreningsgatan.mercenaries.rendering;

/**
 * Copyright (c) 2008 Joakim Back
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 * 
 * @author Joakim Back
 *
 */
public class TileClippingRect {
	private int mHorizontalFirst;
	private int mHorizontalWidth;
	
	private int mVerticalFirst;
	private int mVerticalHeight;
	
	public static TileClippingRect getInstance(int pWidth, int pHeight, int pScrollX, int pScrollY, int pTileWidth, int pTileHeight) {
		TileClippingRect vStatus = new TileClippingRect();
		
		vStatus.mHorizontalFirst = pScrollX / pTileWidth;
		vStatus.mVerticalFirst = pScrollY / pTileHeight;
		vStatus.mHorizontalWidth = pWidth / pTileWidth;
		vStatus.mVerticalHeight = pHeight / pTileHeight;
		
		return vStatus;
	}

	public int getHorizontalFirst() {
		return mHorizontalFirst;
	}

	public int getHorizontalWidth() {
		return mHorizontalWidth;
	}
	
	public int getHorizontalLast() {
		return mHorizontalFirst + mHorizontalWidth - 1;
	}

	public int getVerticalFirst() {
		return mVerticalFirst;
	}

	public int getVerticalHeight() {
		return mVerticalHeight;
	}
	
	public int getVerticalLast() {
		return mVerticalFirst + mVerticalHeight - 1;
	}
}
